Perhaps you should try some spelling variations:
"coder coder loop rostering problem" » "coder coder loop clustering problem" (Expand search), "coder coder loop routing problem" (Expand search), "coder coder loop covering problem" (Expand search), "coder coder loop string problem" (Expand search), "coder decoder loop rostering problem" (Expand search), "code code loop rostering problem" (Expand search), "decoder codec loop rostering problem" (Expand search), "coder copper loop rostering problem" (Expand search), "coder code loops rostering problem" (Expand search), "coder tower loop rostering problem" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder loop rostering problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder loop rostering problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder loop rostering problem ) OR ( api python python python programming ))*.